Granted Patent
Utility
US 6,311,532 · App. 09/446,767
Method and device for reducing or compensating rotational speed losses during insertion or rolling stock in a roll stand
Inventors:
Werner Ballheimer, Ansgar Grüss, Bernhard Weisshaar
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: May 9, 2000
Inventors
Werner Ballheimer
Ansgar Grüss
Bernhard Weisshaar
Assignee (at issue)
Siemens Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.